Furnace



(No Model.) 2 Sheets-Sheet 1.

J. HILL.

PURNAGE. No. 325,175. Patented Aug. 25, 1885.

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J. HILL.

PURNAGE.

(No Model.)

No. 325,175. Patented Aug. 25, 1885.

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tlNiTnn STATES PATENT @Tricia JAMES HILL, OF CL VELAND, OHTO.

FURNACE.

SPECFICATION forming, part of Letters Patent No, 325,175, dated August 25, 1885.

Application filed February 3, 1895.

To @ZZ whom it may concern;

(No model.)

brick are built on either side of this opening,

Be it known that l, JAMES HILL, of Cleveand the next adjacent walls are suitably conland, in the county of Cuyahoga and State of nceted by headers, as shown in Fig. 2, the 55 Ohio, have invented certain new and useful bridge-wall and the wallA requiring onlyone 5 Improvements in Furnaces for Boasting Orcs, wall, g, at the end opening. The opening d', and I do hereby declare the following to be a next the wall A', is of considerable width, so full, clear, and exact description of theinventhat so much of the products of combustion as tion, such as will enable others skilled in the do not pass down through the smaller open- 6: art to which it pertains to make and use the ings d may have an exit throughthis opening.

I3 saine. The chamber E has a lateral flue, E, leading My invention relates to improvements in to a suitable chimney. (Not shown.) The furnaces or ovens designed more especially for walls g dividing` the oven into compartments drying, annealing, and similar work, the obmay, with the spaces d, piers D, and iloors,be 65 ject being to provide a traveling` root' or cover arranged to make the compartments of any i5 that may be elevated from the furnace and suitable size or of different sizes, according to moved to one side by means of a tramway. the articles to be treated therein. By means A further object is to provide a double furof a divided draftpassing through the spaces nace arranged so that the traveling cover when d and of the hot-air chamber E the fioor and 70 removed from one furnace will be in position walls g become heated, so that every part of zo over the other furnace. the oven is effective in drying, annealing, or

A further objectisto provide coml'iartments otherwise treating the articles placed therein. arranged in the mason-work in the body ofthe F are heavy hollowirons,triangular in crossl'urnaee for the reception of such articles as are section, as shown in Fig. il, and firmly bolted 75 to be dried, annealed, or otherwise treated. together at the corners, the inner faces of which 25 \\"ith these objects in view my invention form springers for the four sides of the arched consists in certain features of construction and roof G. The fire-bricks that compose the root' in combination ofparts, hereinafter described, extend below the irons F, as shown at g, Fig. and pointed out in the claims. 4, so that when the roof is in position overone 80 In the accompanying drawings, Figure lisa of the ovens the bri ck-work of the roof rests 3o side view in elevation of my improved fur- 0n the walls A and A. Attached to theirons naces. Fig. 2 is a plau view of the left-hand F are laterally-projecting spindlesf, on which furnace with the cover removed. Fig. 3 is an are mounted the wheels K, that travel on the elevation ofthe hearth and furnace with the track L, arranged on either side of the fur 5 cover removed. Fig. -t is a section ot' the nace. These tracks are supported by screw- 5 5 furnace-roof. rods H, that have iianges bolted to the track A represents the outer walls or set-ting, as and ht into the respective bores of the caps I, shown in Fig. l, extending the length ot two that rest on the pilasters I. The rods H have furnaces. The furnaces proper, B, are at the square threads, and the smooth bores o f the 9o ends, and have doors B, for firing, and ashcaps serve as guides for the rods H, that have 40 pit doors B2 and grates b arrangedin the usual nuts 7L for elevating` the rods and track. Vhen manner. In the center of the structure is a these rods and track are depressed,the roof G cross-wall, A, built up iiush with the outer rests on the walls A and A, as aforesaid. walls. Next t0 the furnace are the bridge- By turning the nuts 7L the track may be ele- 95 walls b. The ovens proper, C, have double va-ted until the roof is raised from the walls,

45 oors of large tile o or tire-brick. arranged to after which the roof may be moved along by break joints and supported on piers D. The means of the track and wheels and broughtin ends of the next adjacent tiers of ooringtile position over the other oven, of course leaving are separated a short distancc-about an inch, the oven from which the roof has been removed roo more or less-leaving a space, d, that, except open.

5o where the pieces extend under the corners of By this arrangement while one oven is be these tiles, is in open relation with the chaming heated and. operated the other oven is ber E below the floor. Thin walls g of frecooling ofi', and may be charged ready for ring up when the process in the heated oven shall have been completed. By this construction also is avoided the great expense usually incurred of iron boxes and other containers in which to place the articles to be treated inthe ovens.

When it is practicable to do so, the earth is usually banked up around the furnace to near the bottom of the track, except at the furnacedoors. This keeps the walls A from spreading, and prevents much radiation ofheat from the Walls.

What I claim is- 1. In a furnace or oven, the combination, with a traveling roof mounted on wheels, of a track and devices for elevating` or depressing said track, whereby the roof may be moved bodily away from the furnace and returned and made to rest on the walls of the furnace, substantially as set forth.

2. The combination, with a double furnace,

a track located alongside of said double furnace, and'devices for vertically adjusting said track, of a roof mounted on Wheels and adapted to be moved from one sect-ion of the furnace to the other. v

3. The combination, with a double furnace the floors of which are provided with openings, and a hot-air chamber located below said floors, o f a track located alongside of said double furnace, devices for vertically adjusting the track, and a roof mounted on -Wheels and adapted to be moved from one section of the double furnace to the other, substantially as set forth.

In testimony whereof I sign 'this specification, in the presence of two witnesses, this 19th day of January, 1.885.

JAMES HILL.

Witnesses:

CHAs. H. Donna, ALBERT E. LYNCH. 

